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Neko [114]
2 years ago
8

I need help quick it is due in 3 hours

Mathematics
1 answer:
Shtirlitz [24]2 years ago
4 0

Answer:

20.24

Step-by-step explanation:

Recall SOH, CAH, TOA and realize that TOA is the easiest one

we have

tan(39)=\frac{x}{25}\\tan(39)*25=x\\20.24=x

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Step-by-step explanation:

3 0
2 years ago
If the coordinates of point A are (8 , 0) and the coordinates of point B are (3 , 7), the y-intercept of AB is ___
JulsSmile [24]

Answer:

a) y-intercept of AB is 56/5

b) equation of line CD is:

y = -7/5x + 12

Step-by-step explanation:

a) If the coordinates of point A are (8 , 0) and the coordinates of point B are (3 , 7), the y-intercept of AB is ___

We are given the points A(8,0) and point B (3,7)

We need to find y-intercept i.e b

Finding slope of points A and B = y₂ - y₁/x₂ - x₁

=7-0/3-8

=7/-5

= - 7/5

So, finding y intercept b by using equation

y = mx+b

And considering point A (8,0) x = 8 and y = 0 and m = -7/5

0 = 8(-7/5) + b

0 = -56/5 + b

=> b = 56/5

So, y-intercept of AB is 56/5

b) If the coordinates of point D are (5 , 5), the equation of line CD is y = __

Since AB || CD

both will have same slope

i.e m = -7/5

we need to find y-intercept given point D (5,5)

y = mx+b

5 = -7/5(5)+b

5 = -7 + b

=> b = 5+7

=> b = 12

So, equation of line CD is:

y = -7/5x + 12

9 0
3 years ago
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Inessa [10]
3a-7=-4b+1
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3 years ago
Lea buys 6 model cars that each cost $15.She also buys 4 bottles of paint that each cost $11.How many does lea spend on model ca
inn [45]
6x15=90

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134$
5 0
3 years ago
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Iteru [2.4K]

Answer:

Step-by-step explanation:

the answer and solution is on the link

pls mark me brainliest if it helped you

4 0
2 years ago
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